AMD Ryzen 7 7745HX vs AMD Ryzen 9 7945HX

Comparative analysis of AMD Ryzen 7 7745HX and AMD Ryzen 9 7945HX processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

AMD Ryzen 7 7745HX

AMD Ryzen 9 7945HX

Differences

Reasons to consider the AMD Ryzen 9 7945HX

8 more cores, run more applications at once: 16 vs 8
16 more threads: 32 vs 16
Around 6% higher clock speed: 5.4 GHz vs 5.1 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 3% better performance in PassMark - Single thread mark: 4055 vs 3952
Around 67% better performance in PassMark - CPU mark: 54711 vs 32760

Specifications (specs)
Number of cores	16 vs 8
Number of threads	32 vs 16
Maximum frequency	5.4 GHz vs 5.1 GHz
L1 cache	64K (per core) vs 64K (per core)
L2 cache	1MB (per core) vs 1MB (per core)
L3 cache	64MB (shared) vs 32MB (shared)
Benchmarks
PassMark - Single thread mark	4055 vs 3952
PassMark - CPU mark	54711 vs 32760

Compare benchmarks

CPU 1: AMD Ryzen 7 7745HX
CPU 2: AMD Ryzen 9 7945HX

PassMark - Single thread mark

CPU 1

CPU 2

3952

4055

PassMark - CPU mark

CPU 1

CPU 2

32760

54711

Name	AMD Ryzen 7 7745HX	AMD Ryzen 9 7945HX
PassMark - Single thread mark	3952	4055
PassMark - CPU mark	32760	54711
3DMark Fire Strike - Physics Score		13846

Compare specifications (specs)

	AMD Ryzen 7 7745HX	AMD Ryzen 9 7945HX
Essentials
Architecture codename	Zen 4 (Dragon Range)	Zen 4
Launch date	4 Jan 2023	4 Jan 2023
Place in performance rating	159	83
Performance
Base frequency	3.6 GHz	2.5 GHz
Die size	71 mm²	2x 71 mm²
L1 cache	64K (per core)	64K (per core)
L2 cache	1MB (per core)	1MB (per core)
L3 cache	32MB (shared)	64MB (shared)
Manufacturing process technology	5 nm	5 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.1 GHz	5.4 GHz
Number of cores	8	16
Number of threads	16	32
Transistor count	6,570 million	13,140 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5-5200 MHz, Dual-channel	DDR5-5200 MHz, Dual-channel
Compatibility
Configurable TDP	45-75 Watt	55-75 W
Max number of CPUs in a configuration	1	1
Sockets supported	FL1	FL1
Thermal Design Power (TDP)	55 Watt	55 Watt
Peripherals
PCIe configurations	Gen 5, 28 Lanes, (CPU only)	Gen 5, 28 Lanes, (CPU only)